1. defuse   verb   

原句: He goes out of his way to defuse any sense of stary-eyed adulation.

意思: to stop a possibly dangerous or difficult situation from developing, especially by making people less angry or nervous 

例句: Local police are trying to defuse racial tension in the community.

1. ambivalent   adjective   

原句: A man far more ambivalent about his purpose in life.

意思: having or showing both good and bad feelings about sb/sth

字源: early 20th cent.: from ambivalence (from German Ambivalenz), on the pattern of equivalent. 

例句: She seems to feel ambivalent about her new job.